602383domain: NPropertiesPrimalityPrimeyesAppears in sequencesBeginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=42A113584Lagged Fibonacci Generator: a(n) = (100003 - 200003*n + 300007*n^3) mod 10^6 for n <= 55, a(n) = (a(n-24) + a(n-55)) mod 10^6.at n=6A380292Prime numbersat n=49282